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Forecast and Measurements for Reduction of Dust in Demolition Blasting

Zheng Bingxu,Wei Xiaolin

Strategic Study of CAE 2002, Volume 4, Issue 8,   Pages 69-73

Abstract: The comprehensive measurements involve clearage of surface dust, storing up water on floors, moisteningwalls, water bags on roof, high pressure sprinking water film, smoke controlled by dust barreir and

Keywords： demolition blasting     dust forecasting     reducing dust     high pressure sprinking water film     environment protection    

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Thin-liquid-film evaporation at contact line

Hao WANG, Zhenai PAN, Zhao CHEN

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 141-151 doi: 10.1007/s11708-009-0020-2

Abstract: region, where effects of long-range molecular forces (disjoining pressure) are felt; and an intrinsicand part of intrinsic meniscus, is gaining interest due to its high heat transfer rates.In this paper, a review was made of the researches on thin-liquid-film evaporation.The major characteristics of thin film, thin-film modeling based on continuum theory, simulations basedon molecular dynamics, and thin-film profile and temperature measurements were summarized.

Keywords： meniscus     thin film     contact line     disjoining pressure     evaporation    

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Heat and mass transfer of ammonia-water in falling film evaporator

Xianbiao BU, Weibin MA, Huashan LI

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 358-366 doi: 10.1007/s11708-011-0161-y

Abstract: To investigate the performance of heat and mass transfer of ammonia-water during the process of fallingfilm evaporation in vertical tube evaporator, a mathematical model of evaporation process was presentedSubsequently, a series of parameters, such as velocity, film thickness and concentration, etc., wereCalculated results show that the average velocity and the film thickness change dramatically at the entrancethat the roll-worked enhanced tube or other enhanced tube can reduce the concentration gradient in the film

Keywords： falling film evaporation     ammonia-water     heat and mass transfer    

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The energesis and depressurization technology of filling solution cavity of high pressure and rich water

Zhang Mei,Zhang Minqing,Zhu Pengfei,Huang Hongjian

Strategic Study of CAE 2009, Volume 11, Issue 12,   Pages 13-19

Abstract:

Filling solution cavity of high pressure and rich water have the characteristicsfeatures of abundant water, high pressure,large scale and complicated filling medium.Its engineering construction risk is extremely high.Once the grouting blind area is breakdown by high pressure water during the process of construction,pressure and rich water on Yichang-Wanzhou Railway.It is safe, economical, credible and successful by

Keywords： filling solution cavity of high pressure and rich water     the energesis and depressurization technology    

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Piezoelectric film-actuated motion platform with high resolution

HUA Shunming, ZHANG Hongzhuang, CHENG Guangming, FAN Zunqiang, LIU Jianfang

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 3,   Pages 265-269 doi: 10.1007/s11465-008-0041-2

Abstract: A piezoelectric film-actuated motion platform with high resolution, which can run in two directions within

Keywords： mathematical     stick-slip mechanism     piezoelectric film-actuated     analysis     terrific    

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A novel composite coating mesh film for oil-water separation

Futao QIN, Zhijia YU, Xinhui FANG, Xinghua LIU, Xiangyu SUN

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 112-118 doi: 10.1007/s11705-009-0149-x

Abstract: Polytetrafluoroethylene-polyphenylene sulfide composite coating mesh film was successfully prepared byThe contact angle of this mesh film is 156.3° for water, and close to 0° for diesel oil and kerosene.The contact angle hysteresis of water on the mesh film is 4.3°.An oil-water separation test was carried out for oil-contaminated water in a six-stage super-hydrophobicfilm separator.

Keywords： super-hydrophobic     super-oleophilic     composite coating     mesh film     separation of oil and water    

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Design new ideas and engineering practice of high-pressure water-rich fault “outside block and inside

Zhang Minqing,Zhang Mei

Strategic Study of CAE 2009, Volume 11, Issue 12,   Pages 26-34

Abstract: It is rich in high-pressure water, with the biggest single whole water inflow of 1 800 m3/h and waterpressure of 2.5 MPa.The common design for high-pressure water-rich fault is thicker reinforced ring and stronger reinforcedquantity and pressures is uneven, then finds out weak water area and strong water area through advancedwater area, following the principle of "blocking cracks to reduce water quantity, strengthening

Keywords： high-pressure water-rich fault     unevenness     blocking water and strengthen by grouting     outside block    

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Pilot study for the treatment of sodium and fluoride-contaminated groundwater by using high-pressure

Xiaomao WANG,Hongwei YANG,Zhenyu LI,Shaoxia YANG,Yuefeng XIE

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 155-163 doi: 10.1007/s11783-014-0740-3

Abstract: High-pressure membrane process is one of the cost-effective technologies for the treatment of groundwaterThree membrane systems were set up and two brands of reverse osmosis (RO), four low-pressure RO (LPROcombination with dosing antiscalent, was not sufficient to reduce the fouling potential of the raw waterm treated water, respectively.m finished water, respectively.

Keywords： reverse osmosis (RO)     nanofiltration (NF)     water quality standards     sodium     fluoride     cost estimation    

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Tools repairing and welding techniques with high pressure of slurry shield under deep water-rich sandy

Cheng Mingliang,He Feng,Lv Chuantian

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 46-50

Abstract: experience in Beijing Railway underground project, the changing cutter and welding techniques with highpressure of slurry shield under deep water-rich sandy gravel stratum were summarized.One is to choose an appropriate position and an appropriate working pressure for making a good previousThe other is the replacement and grouting of high-concentration slurry, which avoided the gas escapeDuring the repair welding, we successfully realized going into the excavation chamber with high pressure

Keywords： slurry shield     sandy gravel stratum     water-rich layer     tools repair with high pressure     welding    

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Modeling water and heat transfer in soil-plant-atmosphere continuum applied to maize growth under plasticfilm mulching

Meng DUAN, Jin XIE, Xiaomin MAO

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 2,   Pages 144-161 doi: 10.15302/J-FASE-2019258

Abstract: continuum (SPAC), the model was improved by considering the effect of plastic film mulching appliedgrowth, soil water and heat conditions, and crop yield.With an increase in the ratio of film mulching area, the evaporation will decrease, while the impactof film mulching on crop transpiration is not significant.In general, film mulching is effective in saving water, preserving soil moisture, increasing soil surface

Keywords： film mulching     growth stage     leaf area index     maize growth     water and heat transfer    

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A novel high-temperature and high-pressure hydraulic pump based on mononeuron control

Linhui ZHAO, Xin FANG

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2,   Pages 219-223 doi: 10.1007/s11465-009-0024-y

Abstract: Based on structures and characteristics of traditional hydraulic pumps, this paper proposes a novel high-temperatureand high-pressure hydraulic pump (HHHP) that can work under 150°C and 28 MPa to overcome problems oftraditional high-temperature plunger pumps.Therefore, reduced fluctuations and stable pressure output is obtained.

Keywords： mononeuron PID control     hydraulic pump     pressure fluctuation    

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Assessment and validation of liquid breakup models for high-pressure dense diesel sprays

Yi REN,Xianguo LI

Frontiers in Energy 2016, Volume 10, Issue 2,   Pages 164-175 doi: 10.1007/s11708-016-0407-9

Abstract: In this paper, different models for liquid breakup processes in high-pressure dense diesel sprays andRayleigh-Taylor (RT) breakup model gives the most reasonable predicted results in both engine simulation and high-pressureTAB) based models and the RT model do not provide reasonable predictions for the characteristics of high-pressure

Keywords： breakup model     diesel engine     high-pressure injection     simulations    

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Continuous deacylation of amides in a high-temperature and high-pressure microreactor

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1818-1825 doi: 10.1007/s11705-022-2182-y

Abstract: To intensify this reaction, a high-temperature and high-pressure continuous microreaction technologyUsing the deacylation of acetanilide as a model reaction, the effects of the temperature, pressure, reactiontime, molar ratio of reactants, and water composition on acetanilide conversion were carefully studiedBased on the rapid heating and cooling capabilities, the kinetics of acetanilide deacylation at high

Keywords： amide deacylation     microreactor     flow chemistry     reaction intensification    

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Application and Prospects of Water Jet Technology in Petroleum Engineering

Shen Zhonghou,Li Gensheng,Wang Ruihe

Strategic Study of CAE 2002, Volume 4, Issue 12,   Pages 60-65

Abstract:

This paper presents the study and applications of water jet technology in petroleum engineering.A mathematic model of pressure and water power attenuation, under the condition of submergence and nonfreedomnovel method and its model are established to gain maximum hydraulic power at bottomhole and optimize waterabove models and theories, three new kinds of bits, i.e. extended nozzle roller bit, self-resonating waterAlso, the paper points the prospects of applications of water jet technology in deep-well drilling, low-permeability

Keywords： water jet technology     oil well drilling     oil & gas production     high and ultra-high pressure jet    

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Surface-Driven High-Pressure Processing Perspective

Keith E. Gubbins, Kai Gu, Liangliang Huang, Yun Long, J. Matthew Mansell, Erik E. Santiso, Kaihang Shi, Małgorzata Ś liwińska-Bartkowiak, Deepti Srivastava

Engineering 2018, Volume 4, Issue 3,   Pages 311-320 doi: 10.1016/j.eng.2018.05.004

Abstract:

The application of high pressure favors many chemical processes, providing higher yields or improvedOn the industrial scale, however, high-pressure processing is currently limited by the cost of compressionAn alternative approach to high-pressure processing is proposed here, in which very high local pressuresSince the active high-pressure processing zone is inhomogeneous, the pressure is different in differentto high-pressure processing based on surface-driven forces is discussed.

Keywords： Confinement     High pressure     High pressure phase     High pressure reaction     High pressure manufacture     High pressure    

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Title Author Date Type Operation

Forecast and Measurements for Reduction of Dust in Demolition Blasting

Zheng Bingxu,Wei Xiaolin

Journal Article

Thin-liquid-film evaporation at contact line

Hao WANG, Zhenai PAN, Zhao CHEN

Journal Article

Heat and mass transfer of ammonia-water in falling film evaporator

Xianbiao BU, Weibin MA, Huashan LI

Journal Article

The energesis and depressurization technology of filling solution cavity of high pressure and rich water

Zhang Mei,Zhang Minqing,Zhu Pengfei,Huang Hongjian

Journal Article

Piezoelectric film-actuated motion platform with high resolution

HUA Shunming, ZHANG Hongzhuang, CHENG Guangming, FAN Zunqiang, LIU Jianfang

Journal Article

A novel composite coating mesh film for oil-water separation

Futao QIN, Zhijia YU, Xinhui FANG, Xinghua LIU, Xiangyu SUN

Journal Article

Design new ideas and engineering practice of high-pressure water-rich fault “outside block and inside

Zhang Minqing,Zhang Mei

Journal Article

Pilot study for the treatment of sodium and fluoride-contaminated groundwater by using high-pressure

Xiaomao WANG,Hongwei YANG,Zhenyu LI,Shaoxia YANG,Yuefeng XIE

Journal Article

Tools repairing and welding techniques with high pressure of slurry shield under deep water-rich sandy

Cheng Mingliang,He Feng,Lv Chuantian

Journal Article

Modeling water and heat transfer in soil-plant-atmosphere continuum applied to maize growth under plasticfilm mulching

Meng DUAN, Jin XIE, Xiaomin MAO

Journal Article

A novel high-temperature and high-pressure hydraulic pump based on mononeuron control

Linhui ZHAO, Xin FANG

Journal Article

Assessment and validation of liquid breakup models for high-pressure dense diesel sprays

Yi REN,Xianguo LI

Journal Article

Continuous deacylation of amides in a high-temperature and high-pressure microreactor

Journal Article

Application and Prospects of Water Jet Technology in Petroleum Engineering

Shen Zhonghou,Li Gensheng,Wang Ruihe

Journal Article

Surface-Driven High-Pressure Processing

Keith E. Gubbins, Kai Gu, Liangliang Huang, Yun Long, J. Matthew Mansell, Erik E. Santiso, Kaihang Shi, Małgorzata Ś liwińska-Bartkowiak, Deepti Srivastava

Journal Article